Andy and I are publishing a paper to this effect. I can send you a copy. Matt
On Jan 15, 2008 9:22 PM, Gideon Simpson <[EMAIL PROTECTED]> wrote: > Scratch that. I discovered COMSOL does something very nice that boosts the > quality of its results. If I have a curved boundary on my geometry, COMSOL > will interpolate the associated quadrature on the cells along that boundary > to improve accuracy. When I turn that feature off, the results are > consistent with what I'm getting from FEniCS. > > But the question remains: are there any benchmarks? > > > > > -gideon > > > On Jan 15, 2008, at 9:51 PM, Gideon Simpson wrote: > > > Has anyone done any benchmarking with dolfin? > > I've been comparing some dolfin output to some problems I've previously done > using COMSOL and I have to tell you I'm not crazy about the results. In > particular, I'm interested in linear Stokes flow problems around objects > that arise out of homogenization and I find that when I compute the domain > averages of the variables ( pressure, velocity ), as one does in such > problems, the convergence to a fixed value as the mesh is refined isn't so > good. I've tried both iterative and direct solvers too. > > > -gideon > _______________________________________________ > DOLFIN-dev mailing list > [email protected] > http://www.fenics.org/mailman/listinfo/dolfin-dev > > _______________________________________________ > DOLFIN-dev mailing list > [email protected] > http://www.fenics.org/mailman/listinfo/dolfin-dev > > -- What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead. -- Norbert Wiener _______________________________________________ DOLFIN-dev mailing list [email protected] http://www.fenics.org/mailman/listinfo/dolfin-dev
